# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001628280-25-054049
Filing Date
2025-11-26
Accepted
2025-11-25 17:39:29
Documents
141
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | atkr-20250930.htm iXBRL | 10-K | 2414475
2 | EX-10.12 1 | a4q25exhibit10121.htm | EX-10.12 1 | 4054
3 | EX-21.1 | a4q25exhibit211.htm | EX-21.1 | 23918
4 | EX-23.1 | a4q25exhibit231.htm | EX-23.1 | 2131
5 | EX-31.1 | a4q25exhibit311.htm | EX-31.1 | 9034
6 | EX-31.2 | a4q25exhibit312.htm | EX-31.2 | 8916
7 | EX-32.1 | a4q25exhibit321.htm | EX-32.1 | 4547
8 | EX-32.2 | a4q25exhibit322.htm | EX-32.2 | 4471
14 |  | atkr-20250930_g1.jpg | GRAPHIC | 39266
15 |  | atkr-20250930_g2.jpg | GRAPHIC | 131619
| Complete submission text file | 0001628280-25-054049.txt |  | 14872596

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | atkr-20250930.xsd | EX-101.SCH | 92663
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | atkr-20250930_cal.xml | EX-101.CAL | 143906
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | atkr-20250930_def.xml | EX-101.DEF | 465780
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | atkr-20250930_lab.xml | EX-101.LAB | 1147239
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | atkr-20250930_pre.xml | EX-101.PRE | 880023
143 | EXTRACTED XBRL INSTANCE DOCUMENT | atkr-20250930_htm.xml | XML | 2423719

Mailing Address 16100 SOUTH LATHROP AVENUE HARVEY IL 60426
Business Address 16100 SOUTH LATHROP AVENUE HARVEY IL 60426 7083391610
Atkore Inc. (Filer) CIK: 0001666138 (see all company filings)

EIN.: 900631463 | State of Incorp.: DE | Fiscal Year End: 0930
Type: 10-K | Act: 34 | File No.: 001-37793 | Film No.: 251522811
SIC: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
(CF Office: 04 Manufacturing)